LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Jeep >> 2009 >> Commander Overland, 4WD >> Repair and Diagnosis >> Engine Mechanical >> Exhaust System >> CONVERTER, Catalytic >> Installation >> 3.7L Engine
April 5, 2026: LEMON Manuals is launched! Read the announcement.

3.7L Engine

Fig 1: 3.7L CATALYTIC CONVERTER - TYPICAL
GC0118838Courtesy of CHRYSLER LLC
1 - NUT
2 - BOLT
3 - FRONT EXHAUST PIPE AND CATALYTIC CONVERTER ASSEMBLY
4 - STEADY REST BRACKET
5 - STEADY REST BRACKET MOUNTING BOLT
  1. Position steady rest bracket (4) onto the front exhaust pipe/catalytic converter assembly (3).
  2. Position the front exhaust pipe/catalytic converter assembly (3) into vehicle.
  3. Install the bolts (2) and nuts (1) at the front exhaust pipe/catalytic converter assembly (3) to exhaust manifold flange. Do not tighten.
  4. Install the nuts at the front exhaust pipe/catalytic converter assembly to muffler flange. Do not tighten.
  5. Position the exhaust pipe for proper clearance with the frame and underbody parts. A minimum clearance of 25.4 mm (1.0 in.) is required.
  6. Tighten front exhaust pipe/catalytic converter assembly to exhaust manifold bolts (2) to 26 N.m (19 in. lbs.) torque.
  7. Tighten the front exhaust pipe and catalytic converter assembly to muffler flange nuts to 47 N.m (35 ft. lbs.) torque.
  8. Install steady rest bracket bolts. Tighten bolts to 47 N.m (35 ft. lbs.).
  9. Connect oxygen sensor electrical connectors.
  10. Install transmission crossmember. Refer to Frame and Bumpers/Frame/CROSSMEMBER - Installation
  11. Lower vehicle.
  12. Start the vehicle and inspect for exhaust leaks. Repair exhaust leaks as necessary.